Is Modern Life Affecting Fertility?

The Naked Scientists Podcast

Dr Chris Smith

Naked Scientists, Medicine, Engineering, Natural Sciences, Life Sciences, Technology, Science, Health & Fitness, Science Radio

4.6 • 960 Ratings

🗓️ 21 March 2017

⏱️ 57 minutes

🔗️ Recording | iTunes | RSS

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Summary

Are trends in modern living helping or harming our ability to reproduce? And how do factors affecting fertility differ between men and women? Plus, fighting brain tumours with artificial antibodies and are internet filters really keeping children safe? Like this podcast? Please help us by supporting the Naked Scientists

Transcript

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0:00.0	I have you loud and clear.
0:04.3	Hello.
0:05.3	Hello.
0:06.3	Welcome. Science, and that is the same physics, medicine, nature,
0:13.0	big time, the brain, life, the universe.
0:17.0	This week we are putting fertility under the microscope
0:20.0	as we investigate the effect that modern life is having on our ability to reproduce.
0:24.5	Plus a new way to fight brain tumors. Do internet filters really keep children safe online
0:30.3	and are there really more people alive today than ever before.
0:34.0	I'm Georgia Mills.
0:35.0	I'm Chris Smith and this is the Naked Scientists.
0:39.0	The Naked Scientists podcast is powered by UKfast.co. UK.
0:45.0	First this week a new way to tackle brain tumors has been tested successfully
0:56.0	in mice by researchers in the US. The team at Stanford in California have found a
1:00.9	way to trigger the immune system to selectively attack cancer cells but leave healthy brain tissue untouched.
1:07.0	The discovery hinges on a signal called CD-47, which brain tumors display on their surfaces.
1:13.0	This is an immune off switch which sends out a kind of
1:16.0	don't eat me signal which prevents dangerous cells from being destroyed.
1:20.0	But an artificially produced antibody which blocks this signal can save mice from otherwise
1:26.7	lethal human brain tumors. Chris spoke to neurosurgeon Samuel Cheshire to hear how.
1:31.8	Brain Cancer is the number one killer of children, of all cancers, and it's tough to treat because
1:38.8	one, a lot of times we can't operate to take out the cancer tissue, mainly because the brain is a very
	...

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